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2 (1840) The vegetable and animal materia medica / by Jonathan Pereira
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THE COCHINEAL INSECT.

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Fio. 249.

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c ° c oon lts \' vo membranes become flat, and form a sort of shellc °chi tle/' Wuc h the eggs are inclosed, and from whence the little* soon proceed. The female only is of commercial value."-Mexico .

ation. The cochineal insects feed on the Nopal (Opuntia co-

chinillifera). Mr. Ward{Mexico in 1827, vol. i.p. 84) says, the planta-tions are confined to thedistrict of La Mlsteca, inthe state of Oaxaca , inMexico . The animals aredomesticated and rearedwith the greatest care.Plantations of these arecultivated for the nourish-ment of the insects. Herethe impregnated females,e hig ,j e . are placed; this operation

s °Hie m,) n n lnatcd S0Wm 9 them. Young ones are soon developed; and'''Wrf-e,] n V s forwards, when the females have become fecundated andfitters -f harvest commences.. The insects are brushed off with a' ing ih . and billed by immersing them in hot water, and afterwards ^V e e h ln sun or by die heat of a stove.

Ir °prern lat a ^ vesls are made annually; the first being the best, since theare ec Canales alone are taken : in the second the young females? fe collg , ^ Ct ? d ail< ^ * n dm third both old and young ones, and skins,^ l )c} les C indiscriminately. Before the rainy season commences,^ fe!! erv e( } nopal plant, loaded with infant insects, are cut off andyes hov Q ,i , ln l be houses of the Mexicans, to prevent the animals being

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Opuntia cochinilli/era.

Cojjjj y the weather,ft dm acii- ' In 1839, the quantity of cochineal on which duty (Is.J.i* saiq tjf 8 was 489,997 lbs. In 1838, it was only 204,748 lbs.insect^ ° n dle avera S e > one pound of cochineal contains 70,000

-Cochineal ( coccus; coccinellaj consists of the driedJjMar s which are about one or two lines long, wrinkled, of an ir-as ro convex on one side and flat or somewhat hollow on the

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6r r,s» convex ou one siue nm nay « tinae the saliva

let 1 'ey are inodorous, have 5^ tte t h ^fJ a Sevevolve an ani-^al and viplrl n dark rprl nnwdei*. In burning* y

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't re(] *UWUWAUUO, HUY X, £ _

- °dour n< * p c ld a dark ret i powder. In burning, they evolve anbn ll P, slf 11 ^ ^ eave a greyish white ash. By infusion in water theytin ^ a 'rofi ow their ringed character, and even their feet, giving theJaJf^hed c ° ! our - Both the Honduras and Vera Cmz kinds are dis-

t ,of tu° cJ 10 s ii ver and black varieties. Silver cochineal (cochinilla' ^-m-if Vint in all the fur-

m en , - *nm me silver ana oiacx varieties. - m a ll the fur-vr s ® °f the Spaniards) has a purplish gray cp; c L examined by

le aid nd f de l )ressions we °b serve a wh , lUS R Frlc cochineal [cochinilla rene-

a lens, appears like fine wool. Bla ^ ^ _..Uei. Khick. and

tow.

tb

, lr , - was, appears ime nne wool, awe* ('"'""'""'"dish black, and'oid 0 f n Wa of the Spaniards) is r f dd '^ { iiil« sylvestregrl r Nearly so of the silvery character. t an d smaller,

*l\U 8yhest) consists ofW small cochineal insect^

led » globular or ovate masses, (cocoons and new

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